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Infectious Diseases, Livestock, and Climate: A Vicious Cycle?
Vanessa O Ezenwa1, David J Civitello2, Brandon T Barton3
1Odum School of Ecology and Department of Infectious Diseases, College of Veterinary Medicine, University of Georgia, Athens, GA 30606, USA.
Trends in Ecology & Evolution
|October 11, 2020
Summary
Ruminant livestock significantly contribute to methane emissions. Infectious diseases can worsen these emissions, creating a dangerous climate-livestock-disease cycle.
Area of Science:
- Environmental Science
- Animal Science
- Veterinary Medicine
Background:
- Ruminant livestock are a major source of global methane emissions.
- Infectious diseases in livestock can increase methane production.
- The spread of diseases poses a threat to climate and animal agriculture.
Purpose of the Study:
- To highlight the connection between infectious diseases and methane emissions from ruminants.
- To warn about the potential for a climate-livestock-disease cycle.
Main Methods:
- This study is a review and synthesis of existing research.
- Analysis of the impact of disease on livestock methane output.
Main Results:
- Infectious diseases elevate methane emissions in ruminants.
- Disease outbreaks can amplify the environmental impact of livestock farming.
Conclusions:
- Addressing infectious diseases in livestock is crucial for mitigating methane emissions.
- Preventing a climate-livestock-disease cycle requires integrated strategies for animal health and climate action.
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